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 #include &lt;QtGui&gt;
 #include &lt;QtSql&gt;

 #include &quot;../connection.h&quot;

 void initializeModel(QSqlRelationalTableModel *model)
 {
     model-&gt;setTable(&quot;employee&quot;);

     model-&gt;setEditStrategy(QSqlTableModel::OnManualSubmit);
     model-&gt;setRelation(2, QSqlRelation(&quot;city&quot;, &quot;id&quot;, &quot;name&quot;));
     model-&gt;setRelation(3, QSqlRelation(&quot;country&quot;, &quot;id&quot;, &quot;name&quot;));

     model-&gt;setHeaderData(0, Qt::Horizontal, QObject::tr(&quot;ID&quot;));
     model-&gt;setHeaderData(1, Qt::Horizontal, QObject::tr(&quot;Name&quot;));
     model-&gt;setHeaderData(2, Qt::Horizontal, QObject::tr(&quot;City&quot;));
     model-&gt;setHeaderData(3, Qt::Horizontal, QObject::tr(&quot;Country&quot;));

     model-&gt;select();
 }

 QTableView *createView(const QString &amp;title, QSqlTableModel *model)
 {
     QTableView *view = new QTableView;
     view-&gt;setModel(model);
     view-&gt;setItemDelegate(new QSqlRelationalDelegate(view));
     view-&gt;setWindowTitle(title);
     return view;
 }

 void createRelationalTables()
 {
     QSqlQuery query;
     query.exec(&quot;create table employee(id int primary key, name varchar(20), city int, country int)&quot;);
     query.exec(&quot;insert into employee values(1, 'Espen', 5000, 47)&quot;);
     query.exec(&quot;insert into employee values(2, 'Harald', 80000, 49)&quot;);
     query.exec(&quot;insert into employee values(3, 'Sam', 100, 1)&quot;);

     query.exec(&quot;create table city(id int, name varchar(20))&quot;);
     query.exec(&quot;insert into city values(100, 'San Jose')&quot;);
     query.exec(&quot;insert into city values(5000, 'Oslo')&quot;);
     query.exec(&quot;insert into city values(80000, 'Munich')&quot;);

     query.exec(&quot;create table country(id int, name varchar(20))&quot;);
     query.exec(&quot;insert into country values(1, 'USA')&quot;);
     query.exec(&quot;insert into country values(47, 'Norway')&quot;);
     query.exec(&quot;insert into country values(49, 'Germany')&quot;);
 }

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
     if (!createConnection())
         return 1;
     createRelationalTables();

     QSqlRelationalTableModel model;

     initializeModel(&amp;model);

     QTableView *view = createView(QObject::tr(&quot;Relational Table Model&quot;), &amp;model);
     view-&gt;show();

     return app.exec();
 }</pre>
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